Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban mach mo snippets" » "ban sach mo snippets", "ranh mach mo snippets", "ban hanh mo snippets", "ban mach so snippets", "ban mach o snippets", "ban sach moi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban mach mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban mach mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban mach mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban mach mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.